Нужно вставить don't/doesn't have to или mustn't It's is raining. We.................... water the trees You..................

It\'s is raining. We don\'t have to water the trees. You mustn\'t ask him questions when he is working. He can make a mistake. Children mustn\'t play football in the classroom. When my little sister is very tried mother doesn\'t have to read bed-time stories for her. We don\'t have to get visas to travel to the Ukraine. Pupils mustn\'t walk at the lesson. You don\'t have to give me an answer immediately. I can wait. It\'s Sunday today. The children don\'t have to get up at 7 o clock. I don\'t have to take a bus. I live near the school. He is better today. He doesn\'t have to stay in bed.